中国科学院生态环境研究中心机构知识库
Advanced  
RCEES OpenIR  > 环境纳米材料实验室  > 期刊论文
题名: Effect of algal flocculation on dissolved organic matters using cationic starch modified soils
作者: Shi, Wenqing; Bi, Lei; Pan, Gang
刊名: JOURNAL OF ENVIRONMENTAL SCIENCES
出版日期: 2016-07
卷号: 45, 期号:0, 页码:177-184
关键词: Cyanobacterial bloom ; Cationic starch ; Modified soil ; Charge density ; Dissolved organic carbon
DOI: 10.1016/j.jes.2015.12.018
部门归属: 环境纳米材料实验室
英文摘要: Modified soils (MSs) are being increasingly used as geo-engineering materials for the sedimentation removal of cyanobacterial blooms. Cationic starch (CS) has been tested as an effective soil modifier, but little is known about its potential impacts on the treated water. This study investigated dissolved organic matters in the bloom water after algal removal using cationic starch modified soils (CS-MSs). Results showed that the dissolved organic carbon (DOC) could be decreased by CS-MS flocculation and the use of higher charge density CS yielded a greater DOC reduction. When CS with the charge density of 0.052, 0.102 and 0.293 meq/g were used, DOC was decreased from 3.4 to 3.0, 2.3 and 1.7 mg/L, respectively. The excitation emission matrix fluorescence spectroscopy and UV254 analysis indicated that CS-MS exhibits an ability to remove some soluble organics, which contributed to the DOC reduction. However, the use of low charge density CS posed a potential risk of DOC increase due to the high CS loading for effective algal removal. When CS with the charge density of 0.044 meq/g was used, DOC was increased from 3.4 to 3.9 mg/L. This study suggested, when CS-MS is used for cyanobacterial bloom removal, the content of dissolved organic matters in the treated water can be controlled by optimizing the charge density of CS. For the settled organic matters, other measures (e.g., capping treatments using oxygen loaded materials) should be jointly applied after algal flocculation. (C) 2016 The Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences. Published by Elsevier B.V.
收录类别: SCI
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.rcees.ac.cn/handle/311016/35990
Appears in Collections:环境纳米材料实验室_期刊论文

Files in This Item: Download All
File Name/ File Size Content Type Version Access License
Effect of algal flocculation on dissolved organic matters using cationic starch modified soils.pdf(773KB)期刊论文作者接受稿开放获取View Download
Service
Recommend this item
Sava as my favorate item
Show this item's statistics
Export Endnote File
Google Scholar
Similar articles in Google Scholar
[Shi, Wenqing]'s Articles
[Bi, Lei]'s Articles
[Pan, Gang]'s Articles
CSDL cross search
Similar articles in CSDL Cross Search
[Shi, Wenqing]‘s Articles
[Bi, Lei]‘s Articles
[Pan, Gang]‘s Articles
Related Copyright Policies
Null
Social Bookmarking
Add to CiteULike Add to Connotea Add to Del.icio.us Add to Digg Add to Reddit
文件名: Effect of algal flocculation on dissolved organic matters using cationic starch modified soils.pdf
格式: Adobe PDF
此文件暂不支持浏览
所有评论 (0)
暂无评论
 
评注功能仅针对注册用户开放,请您登录
您对该条目有什么异议,请填写以下表单,管理员会尽快联系您。
内 容:
Email:  *
单位:
验证码:   刷新
您在IR的使用过程中有什么好的想法或者建议可以反馈给我们。
标 题:
 *
内 容:
Email:  *
验证码:   刷新

Items in IR are protected by copyright, with all rights reserved, unless otherwise indicated.

 

 

Valid XHTML 1.0!
Copyright © 2007-2017  中国科学院生态环境研究中心 - Feedback
Powered by CSpace